2099717 has 2 divisors, whose sum is σ = 2099718. Its totient is φ = 2099716.

The previous prime is 2099711. The next prime is 2099731. The reversal of 2099717 is 7179902.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1934881 + 164836 = 1391^2 + 406^2 .

It is a cyclic number.

It is not a de Polignac number, because 2099717 - 2¹⁰ = 2098693 is a prime.

It is a super-2 number, since 2×2099717² = 8817622960178, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2099711) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1049858 + 1049859.

It is an arithmetic number, because the mean of its divisors is an integer number (1049859).

2^2099717 is an apocalyptic number.

It is an amenable number.

2099717 is a deficient number, since it is larger than the sum of its proper divisors (1).

2099717 is an equidigital number, since it uses as much as digits as its factorization.

2099717 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7938, while the sum is 35.

The square root of 2099717 is about 1449.0400270524. The cubic root of 2099717 is about 128.0521637974.

The spelling of 2099717 in words is "two million, ninety-nine thousand, seven hundred seventeen".